Cod sursa(job #2519154)
Utilizator | Mitrica Alessia alessiamtr12 | Data | 7 ianuarie 2020 12:49:50 |
---|---|---|---|
Problema | Elementul majoritar | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.64 kb |
#include <fstream>
#include<algorithm>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n,i,v[1000005],l,elmaj;
int main()
{
fin>>n;
for(i=1; i<=n; i++)
fin>>v[i];
elmaj=v[1];
l=1;
for(i=2; i<=n; i++)
{
if(v[i]==elmaj)
l++;
else
{
l--;
if(l<0)
{
elmaj=v[i];
l=1;
}
}
}
l=0;
for(i=1;i<=n;i++)
{
if(v[i]==elmaj)
l++;
}
if(l>=n/2+1)
fout<<elmaj<<" "<<l;
else
fout<<-1;
return 0;
}